<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left" style="padding:40px;margin-top: -50px;">

      <!-- 标题图片 -->
      <div class="title-container">
        <h3 class="title"><img src="@/assets/common/login-logo.png"></h3>
      </div>

      <!-- 手机号 -->
      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="mobile"
          v-model.trim="loginForm.mobile"
          placeholder="请输入手机号"
          name="mobile"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <!-- 密码 -->
      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model.trim="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <!-- 登录按钮 -->
      <el-button
        class="loginBtn"
        :loading="loading"
        type="primary"
        @click.native.prevent="handleLogin"
      >登 录</el-button>

      <!-- 提示框 -->
      <div class="tips">
        <span style="margin-right:20px;">账号: 13800000003</span>
        <span> 密码: 123456</span>
      </div>

    </el-form>
  </div>
</template>

<script>
// 引入校验规则
import { validMobile } from '@/utils/validate'
export default {
  name: 'Login',
  data() {
    // 手机号校验规则
    const validateMobile = (rule, value, callback) => {
      if (!validMobile(value)) {
        callback(new Error('请输入合法手机号'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        // 手机号
        mobile: '13800000003',
        // 密码
        password: '123456'
      },
      // 验证规则
      loginRules: {
        mobile: [
          { required: true, message: '该项不可为空', trigger: 'blur' },
          { validator: validateMobile, trigger: 'blur' }
        ],
        password: [
          { required: true, message: '该项不可为空', trigger: 'blur' },
          { min: 6, max: 8, message: '密码长度在 6 到 8 个数字', trigger: 'blur' }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    // 登录按钮
    async handleLogin() {
      try {
        // 校验
        await this.$refs.loginForm.validate()
        await this.$store.dispatch('user/login', this.loginForm)
        // 提示成功
        this.$message.success('登录成功')
        // 跳转
        this.$router.push('/')
      } catch (error) {
        console.log(error)
      }
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#68b0fe;
$cursor: #68b0fe;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        transition-delay: 99999s;
        transition: color 99999s ease-out, background-color 99999s ease-out;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.7);
    border-radius: 5px;
    color: #454545;
  }

  .el-form-item__error {
    color: #fff
  }

  .loginBtn {
    background: #407ffe;
    height: 60px;
    line-height: 30px;
    font-size: 24px;
    width:100%;
    margin-bottom:30px;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background:url('../../assets/common/login.jpg') no-repeat center;
  background-size: cover;
  overflow: hidden;

  .login-form {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    margin-bottom: 10px;
    font-size: 16px;
    color: #fff;
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      margin: 0px auto 40px auto;
      text-align: center;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
